{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9768285","patent":{"patent_number":"US-9768285","title":"Semiconductor device and method of manufacture","assignee":null,"inventors":[],"filing_date":"2016-06-07T00:00:00.000Z","publication_date":"2017-09-19T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L"],"num_claims":13,"abstract":"In one embodiment, an IGBT is formed to include a region of semiconductor material. Insulated gate structures are disposed in region of semiconductor material extending from a first major surface. An n-type field stop region extends from a second major surface into the region of semiconductor material. A p+ type polycrystalline semiconductor layer is disposed adjacent to the field stop region and provides an emitter region for the IGBT. An embodiment may include a portion of the p+ type polycrystalline semiconductor being doped n-type."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor device and method of manufacture","description":"In one embodiment, an IGBT is formed to include a region of semiconductor material. Insulated gate structures are disposed in region of semiconductor material extending from a first major surface. An ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9768285","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9768285","citation_suggestion":"Patentable. \"Semiconductor device and method of manufacture\" (US-9768285). https://patentable.app/patents/US-9768285","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9768285","json":"https://patentable.app/api/llm-context/US-9768285","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:38:21.457Z"}